Septquadseptium (Sqs)
Septquadseptium is the systematic name of the theoretical 747'inci element in the periodic table with a symbol of Sqs and atomic number of 747. Septquadseptium, also known as element 747, has yeddi yüz qırx yeddi protons in its nucleus, and yeddi yüz qırx yeddi electrons in its shells.